gcc/libcilkrts/runtime/bug.cpp

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/* bug.cpp -*-C++-*-
*
*************************************************************************
*
* @copyright
* Copyright (C) 2009-2013, Intel Corporation
* All rights reserved.
*
* @copyright
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* @copyright
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
**************************************************************************/
#include "bug.h"
#include <exception>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#ifdef _WIN32
# include "windows-clean.h"
# include "internal/abi.h"
# include "cilktools/cilkscreen.h"
# include <crtdbg.h>
#endif
__CILKRTS_BEGIN_EXTERN_C
COMMON_PORTABLE const char *const __cilkrts_assertion_failed =
"%s:%d: cilk assertion failed: %s\n";
COMMON_PORTABLE void __cilkrts_bug(const char *fmt,...) cilk_nothrow
{
#if defined (_WIN32) && defined(_DEBUG)
_CRTIMP void __cdecl _wassert(__in_z const wchar_t * _Message,
__in_z const wchar_t *_File,
__in unsigned _Line);
char message[256];
wchar_t wmessage[256];
va_list l;
va_start(l, fmt);
_vsnprintf_s(message, 256, _TRUNCATE, fmt, l);
va_end(l);
_snwprintf_s(wmessage, 256, _TRUNCATE, _CRT_WIDE("%S"),
message); /* widen */
// Force asserts to go to stderr and the debugger. This isn't polite, but
// we're about to kill the app anyway and it will prevent our tests from
// hanging
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE| _CRTDBG_MODE_DEBUG);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
_wassert(wmessage, _CRT_WIDE(__FILE__), __LINE__);
// If there's a debugger attached, give it a chance to look at the failure
if (IsDebuggerPresent())
DebugBreak();
abort();
/* __asm int 3 */
#else
/* To reduce user confusion, write all user-generated output
before the system-generated error message. */
va_list l;
fflush(NULL);
va_start(l, fmt);
vfprintf(stderr, fmt, l);
va_end(l);
fflush(stderr);
#ifndef _WIN32
abort();
#endif
#endif
exit(1);
}
COMMON_PORTABLE void cilkbug_assert_no_uncaught_exception(void)
{
bool uncaught = std::uncaught_exception();
CILK_ASSERT(!uncaught);
}
COMMON_SYSDEP void abort_because_rts_is_corrupted(void)
{
__cilkrts_bug("The Cilk Plus runtime system detected a corruption "
"in its data structures. This is most likely caused "
"by an application bug. Aborting execution.\n");
}
#ifdef WIN32
COMMON_SYSDEP void __cilkrts_dbgprintf(const char *fmt,...)
{
char message[2048];
va_list l;
// Cilkscreen shouldn't watch this
__cilkscreen_disable_checking();
va_start(l, fmt);
_vsnprintf_s(message, 2048, _TRUNCATE, fmt, l);
va_end(l);
OutputDebugStringA (message);
// Re-enable Cilkscreen
__cilkscreen_enable_checking();
}
#endif
__CILKRTS_END_EXTERN_C
/* End bug.cpp */